References:
- https://www.osv.ltd.uk/crazy-facts-about-audi/
- https://www.whichcar.com.au/car-advice/audi-history-trivia-fast-facts
- https://didyouknowcars.com/interesting-facts-about-audi/
- https://www.justvehicle.solutions/top-facts-you-need-to-know-about-audi/
- https://www.boomsbeat.com/articles/281133/20170921/30-amazing-things-you-didnt-know-about-audi.htm
- https://www.scoopwhoop.com/Amazing-Facts-About-Audi-You-Probably-Didnt-Know/